Use unsigned consistently, and check for invalid casts when calling into SharedBuffer from other code.
https://bugs.webkit.org/show_bug.cgi?id=124579

Patch by László Langó <lango@inf.u-szeged.hu> on 2014-01-06
Reviewed by Anders Carlsson.

Source/WebCore:

* WebCore.exp.in:
* loader/NetscapePlugInStreamLoader.cpp:
(WebCore::NetscapePlugInStreamLoader::didReceiveData):
* loader/NetscapePlugInStreamLoader.h:
* loader/PingLoader.h:
* loader/ResourceBuffer.cpp:
(WebCore::ResourceBuffer::ResourceBuffer):
* loader/ResourceBuffer.h:
(WebCore::ResourceBuffer::create):
* loader/ResourceLoader.cpp:
(WebCore::ResourceLoader::addDataOrBuffer):
(WebCore::ResourceLoader::didReceiveData):
(WebCore::ResourceLoader::didReceiveDataOrBuffer):
(WebCore::ResourceLoader::willStopBufferingData):
* loader/ResourceLoader.h:
* loader/SubresourceLoader.cpp:
(WebCore::SubresourceLoader::didReceiveData):
* loader/SubresourceLoader.h:
* loader/appcache/ApplicationCacheGroup.cpp:
(WebCore::ApplicationCacheGroup::didReceiveData):
* loader/appcache/ApplicationCacheGroup.h:
* loader/mac/ResourceLoaderMac.mm:
(WebCore::ResourceLoader::didReceiveDataArray):
* platform/SharedBuffer.cpp:
(WebCore::SharedBuffer::SharedBuffer):
* platform/SharedBuffer.h:
(WebCore::SharedBuffer::create):
* platform/graphics/gstreamer/WebKitWebSourceGStreamer.cpp:
(ResourceHandleStreamingClient::didReceiveData):
* platform/network/BlobResourceHandle.cpp:
* platform/network/ResourceHandleClient.h:
(WebCore::ResourceHandleClient::didReceiveData):
(WebCore::ResourceHandleClient::willStopBufferingData):
* platform/network/SynchronousLoaderClient.cpp:
(WebCore::SynchronousLoaderClient::didReceiveData):
* platform/network/SynchronousLoaderClient.h:
* platform/network/blackberry/BlobStream.cpp:
(WebCore::BlobStream::didReceiveData):
* platform/network/blackberry/BlobStream.h:
* platform/network/blackberry/ResourceHandleBlackBerry.cpp:
(WebCore::WebCoreSynchronousLoader::didReceiveData):
* platform/network/curl/ResourceHandleCurl.cpp:
(WebCore::WebCoreSynchronousLoader::didReceiveData):
* platform/network/mac/WebCoreResourceHandleAsDelegate.mm:
(-[WebCoreResourceHandleAsDelegate connection:willStopBufferingData:]):
* platform/network/mac/WebCoreResourceHandleAsOperationQueueDelegate.mm:
(-[WebCoreResourceHandleAsOperationQueueDelegate connection:willStopBufferingData:]):
* platform/network/soup/ResourceHandleSoup.cpp:
(WebCore::WebCoreSynchronousLoader::didReceiveData):
* platform/network/win/ResourceHandleWin.cpp:
(WebCore::WebCoreSynchronousLoader::didReceiveData):

Source/WebKit/gtk:

* webkit/webkitdownload.cpp:
(DownloadClient::didReceiveData):

Source/WebKit/win:

* WebKitDLL.cpp:
(loadResourceIntoBuffer):

Source/WebKit2:

* NetworkProcess/NetworkResourceLoader.cpp:
(WebKit::NetworkResourceLoader::didReceiveData):
(WebKit::NetworkResourceLoader::willStopBufferingData):
* NetworkProcess/NetworkResourceLoader.h:
* Shared/Downloads/soup/DownloadSoup.cpp:
(WebKit::DownloadClient::didReceiveData):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161338 268f45cc-cd09-0410-ab3c-d52691b4dbfc